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What unit is mmWg?

2010-10-29View Original

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This post was last edited by xu*ang309 on 2010-11-6 at 19:10. What does “R1A/B set pressure is +560 / -50 mmWg” mean? Among them, what unit is mmWg? How come I’ve never seen it before! :handshake
Reply #22010-10-29
The unit for hydrostatic pressure, mmHg, stands for millimeters of mercury; by replacing H with W, mmWg becomes millimeters of water column. Standard atmospheric pressure = 760 millimeters of mercury = 76 centimeters of mercury = 1.013×100000 pascals = 10336 millimeters of water column. 1 mmWG = 9.8067 Pa
Reply #32010-10-29
mmWg = Millimeters of Water Gauge
Reply #42010-10-29
Reply to 1# Wang Xiaoqiang: It refers to millimeters of water column

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Translated at 2026-07-24 22:38:52

Original: https://bbs.hcbbs.com/thread-752407-1-1.html

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